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Finding the Fourth Proportional to 17,928.22, 26,891.71 and 6,834.50

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Solution

The fourth proportional to 17,928.22, 26,891.71 and 6,834.50 is: 10,251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.22 : 26,891.71 = 6,834.50 : x
  2. Step 2: Convert to fraction form
    17,928.22/26,891.71 = 6,834.50/x
  3. Step 3: Cross multiply
    17,928.22x = 26,891.71 × 6,834.50
  4. Step 4: Simplify right side
    17,928.22x = 183,791,392.00
  5. Step 5: Solve for x
    x = 183,791,392.00/17,928.22
  6. Step 6: Final answer
    x = 10,251.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.